package com.mmall.util;

import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Properties;

/**
 * 类名: PropertiesUtil
 * 作者: Ankie
 * 时间: 2019-04-18 10:30
 * 描述:
 */
public class PropertiesUtil {

    private static Logger logger = LoggerFactory.getLogger(PropertiesUtil.class);

    private static Properties props;

    static {
        String filename = "mmall.properties";
        props = new Properties();
        try {
            props.load(new InputStreamReader(PropertiesUtil.class.getClassLoader().getResourceAsStream(filename), "UTF-8"));
        } catch (IOException e) {
            logger.error("配置文件读取异常",e);
        }
    }

    public static String getProperty(String key) {
         String value = props.getProperty(key.trim());
         if (StringUtils.isBlank(value)) {
            return null;
         }
         return value.trim();
    }

    public static String getProperty(String key, String defaultValue) {
        String value = props.getProperty(key.trim());
        if (StringUtils.isBlank(value)) {
            value = defaultValue;
        }
        return value.trim();
    }
}
